Date: 2013jun11
OS: Windows (many work on other OSes)
Level: Beginner
Q. What are the essential keystrokes for a Windows user?
A.
Ctrl-X Cut to clipboard
Ctrl-C Copy to clipboard
Ctrl-V Paste from clipboard
Ctrl-F Find in browser, word processor, etc
Ctrl-N New windows (eg in explorer, browser)
Ctrl-Z Undo
Ctrl-Esc Windows Menu
Alt-Tab Switch between applications
Ctrl-Alt-Del Bring up menu when computer is hung (and other times)
Esc Close current dialog
Alt-F4 Close current application
F1 Help
F5 Refresh
Ctrl-Backspace Delete a word
Win-X Display some choices in Windows8+
Not essential
Ctrl-A Select all
Alt-Up Arrow Up to parent directory in Explore